1) Continuous sewage flow into a stream would lead to___
A) Algal bloom
B) Eutrophication
C) Increase in temperature
D) Depletion of O2
2) Biosphere Reserves are also notified as___
A) Ecosystems
B) Woodlands
C) National Parks
D) Conservation
3) Who developed the 'hot spots concept' in 1988?
A) M. S. Swaminathan
B) P. K. Iyengar
C) Norman Myers
D) None of the above
4) A Biosphere Reserve consists of___
A) Core zone
B) Buffer zone
C) Transition zone
D) All of the above
5) Greenpeace is___
A) NGO
B) An inhibitory process
C) Government policy for speciation
D) None of the above
6) Grazing is an example of___
A) Positive pollution
B) Negative pollution
C) Gully erosion
D) All of the above
7) 'PAN's stands for___
A) Principal of Advanced Nations
B) Presume Additional Noise
C) Peroxy Acetyl Nitrate
D) None of the above
8) Which of the following is the most harmful pollutant?
A) CH4
B) NO2
C) CO2
D) SO2
9) who first of all coined the term 'ecology'?
A) Reiter
B) Haeckel
C) Odum
D) Clement
10) BOD test is made for measuring___
A) Air pollution
B) Soil pollution
C) Water pollution
D) All of the above
11) Which of the following is the basic unit of study in ecology?
(A) Population
(B) Environment
(C) Biosphere
(D) Organisms
12) A population is a group of-
(A) Communities in an ecosystem
(B) Individuals in a family
(C) Species in a community
(D) Individuals in a species
13) Most interacting population are-
(A) Coevolved
(B) Mutualistic
(C) Parasitic
(D) Symbiotic
14) Acid deposition caused
(A) The greenhouse effect to lessen
(B) Lakes and forests to die
(C) Acid indigestion in humans
(D) All of the correct
15) Most agriculture makes use of plants front
(A) Early secondary sucession
(B) Late secondary sucession
(C) Early primary sucession
(D) Late primary sucession
16) The burning of fossil fuels includes
(A) Coal
(B) Oil
(C) Gas
(D) All of these
17) Noise pollution is created if noise is in excess to-
(A) 80-100 db
(B) 70-75 db
(C) 50-60 db
(D) 40-64 db
18) Cyanosis is caused by-
(A) Copper
(B) Chromium
(C) Nitrate concentration
(D) Carbon dioxide
19) Amphysema disease is caused by-
(A) Carbon dioxide
(B) Sulphur dioxide
(C) Mercury
(D) Photochemical smog
20) Loss of minerals on the hills is due to-
(A) Strip mining
(B) Terracing
(C) Soil erosion by water
(D) Contour-Strip cropping
21) The process of laterization results info
(A) Mineralization of humus
(B) Degradation of soil
(C) Formation of soil
(D) Formation of humus
22) Lead(pb) cause
(A) Radioactive pollution
(B) Soil and water pollution
(C) Air pollution
(D) All of the above
23) Man-engineered ecosystem is-
(A) Marine
(B) Grassland
(C) Cropland
(D) Forest
24) The example of endothermic animal is-
(A) Man
(B) Frogs
(C) Snakes
(D) Both B and C
25) Eutrohpication means-
(A) Nutrient dissipated
(B) Forest containing acid rain
(C) Nutrient enrichment
(D) None of the above
Answer Key
1) D
2) C
3) C
4) D
5) A
6) B
7) C
8) D
9) A
10) C
11) D
12) D
13) A
14) B
15) A
16) D
17) A
18) C
19) D
20) A
21) A
22) C
23) C
24) A
25) C
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